Compact laser system for atom interferometry
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- Cheinet, P., Pereira Dos Santos, F., Petelski, T. et al. Appl. Phys. B (2006) 84: 643. doi:10.1007/s00340-006-2266-2
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We describe an optical bench in which we lock the relative frequencies or phases of a set of three lasers in order to use them in a cold atom interferometry experiment. As a new feature, the same two lasers serve alternately to cool atoms and to realize the atomic interferometer. This requires a fast change of the optical frequencies over a few GHz. The number of required independent laser sources is then only three, which enables the construction of the whole laser system on a single transportable optical bench. Recent results obtained with this optical setup are also presented.